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PFI2020-00175
CITY OF TIGARD PUBLIC FACILITIES IMPROVEMENT PERMIT11111 COMMUNITY DEVELOPMENT Permit#: PF12020-00175 Date Issued: 08/26/2020 TIGARD 13125 SW Hall Blvd..Tigard OR 97223 503.718.2421 Parcel: SEG1899 Jurisdiction: Tigard Site address: Subdivision: Lot: Project: Ziply Fiber Project Description: SEG 1899/ 12200 SW Bull Mountain Road. Inter set new 35' pole for additional clearance over driveway to 12200 SW Bull Mountain Road. New pole will be placed in lead with existing poles in the field. Class of Work: FEES Type 1 - Utilities(gas, electric, data) Description Date Amount PFI Permit Fee 08/26/2020 $300.00 Total 3300.00 Owner: REQUIRED INSPECTIONS Call 503-639-4175 for the IVR inspection request line or visit the City of PHONE: Tigard website at www.tigard-or.qov to schedule inspections online. Contractor: NORTH SKY COMMUNICATIONS LLC 11818 SE MILL PLAIN BLVD SUITE 410 VANCOUVER, OR 98684 PHONE: 3602546920 Applicant: ROSALIE SIMS 4155 SW CEDAR HILLS BLVD BEAVERTON, OR 97005 PHONE: 5033197787 Please sign below to indicate acceptance of conditions and return a copy with the proposed work schedule along with names and contact information of responsible parties before beginning work. PermitteelApplicant Signature: See application Issued By: Special Conditions(See Attached) Note:THIS PERMIT DOES NOT COVER WORK ON PRIVATE PROPERTY Conditions for PF12020-00175 Type: Condition Name: Status: Severity: PFI_Utilities 01 -WORK SITE REQUIREMENTS Applied Notice Applicant must comply with all applicable provisions of federal and state law, the Tigard Municipal Code,and the terms of any agreement with the City of Tigard regarding work to be done pursuant to this permit. PFI_Utilities 02-WORK SITE AREA Applied Notice The work area and approach roads shall be maintained in a clean condition,free from obstructions and hazards. The spreading of mud or debris or storage of materials or equipment of any kind upon any public roadway is strictly prohibited and violation shall be cause for immediate cancellation of the permit. The City may at any time order immediate clean-up and suspension of work to accomplish clean-up. PFI_Utilities 03-WORK SITE EROSION CONTROL Applied Notice Prior to starting work, effective and approved erosion control devices must be installed and maintained meeting the Clean Water Services and DEQ requirements. The City may at any time order corrective action and suspension of work to accomplish effective erosion control. PFI_Utilities 04-WORK SITE REPAIRS Applied Notice Disturbed landscaped areas shall be restored or replaced. Existing signs, pavement markings, mailboxes, etc. shall be reinstalled or replaced,with like kind of material. Obtain City approval of restoration work. PFI_Utilities 05-TRAFFIC CONTROL SPECIFICATIONS Applied Notice Applicant shall provide traffic control according to the current edition of the"Manual on Uniform Traffic Control Devices [MUTCD]for Streets and Highways", U.S. Dept. of Transportation, FHWA,current edition,American Traffic Safety Services Association [ATSSA], and Oregon Temporary Traffic Control Handbook[OTTCH]. PFI_Utilities 06-TRAFFIC CONTROL PLAN Applied Notice Submit a job specific traffic control plan. A copy of the approved traffic control plan shall be readily available at the work area. Traffic control devices,flag persons,etc., shall be in place prior to initiation of construction work and shall be effectively maintained. PFI_Utilities 07-TRAFFIC CONTROL ROAD CLOSURE Applied Notice Public roadway shall not be closed to traffic, at any time,without obtaining written approval from the City Engineer. The applicant is responsible to provide 48 hour advance notice of traffic flow disruptions to affected businesses, residents and area wide Emergency Services: 503-629-0111 (Tigard Police Dept.,Tualatin Fire&Rescue)and to 503-962-8140(Tri-Met)and 503-431-2345 (Tigard School District)and other service providers impacted by such closure. PFI_Utilities 08-TRAFFIC CONTROL ADVANCE WARNING Applied Notice Advance warning of traffic disruption shall be provided to the public by placement of an approved advance notification sign at each end of the construction area 72 hours(min.) before initiation of construction work. PFI_Utilities 09-TRAFFIC CONTROL PROPERTY ACCESS Applied Notice Access to existing properties shall be maintained at all times, including normal delivery service and mail service. Obtain City approval of any access closures. PFI_Utilities 10-TRAFFIC CONTROL WORK HOURS Applied Notice Work is permitted in daylight between the hours of 7:00 a.m.to 7:00 p.m. Mon-Fri unless otherwise authorized by the City. PFI_Utilities 11 -TRAFFIC CONTROL LIMITED WORK HOURS Applied Notice Hours of construction work on collector and arterial roads will be limited to 9:00 a.m.to 3:00 p.m. unless authorized by the City Engineer. Work will not be permitted on collector and arterial roads between 3:00 p.m.to 9:00 a.m. unless authorized by the City Engineer. PFI_Utilities 12-TRAFFIC CONTROL MODIFICATION Applied Notice The City reserves the right to add to or modify traffic control requirements as necessary to effectively control traffic and to assure public safety. PFI_Utilities 13-DRAINAGE CONTROL Applied Notice Drainage shall be controlled within the work site and shall not adversely affect adjacent private property, public property and the receiving system. The City may at any time order corrective action and suspension of work to accomplish effective drainage control. PFI_Utilities 14-UTILITY NOTIFICATION Applied Notice Oregon law requires following the rules adopted by the Oregon Utility Notification Center. Said rules are set forth in OAR 952-001-0100 through OAR 952-001-0080. Copies of said rules may be obtained from the Center by calling 503-246-1987. If you have any question about the rules, contact the Center. NOTE: Damage to utilities shall be corrected at the permit holder's expense. PFI_Utilities 15-UTILITY LOCATION CONFLICT Applied Notice Applicant must verify all existing utilities for both vertical elevation and horizontal location prior to start of work(pothole before digging if necessary). Should conflicts arise and redesign or relocation of facilities be necessary, it shall be done at the applicants expense. Changes must be approved by the City in advance of work.Applicant shall coordinate the work with affected utility agencies. PFI_Utilities 16-TEMPORARY PATCH Applied Notice A temporary hard-surface patch shall be placed on trenches within roadways at the end of each work shift. Obtain advance approval of patching method. No trench shall be left at any time in an un-safe condition. Applicant is responsible for and is liable for hazards or damage resulting from the prosecution of the work. PFI_Utilities 17-REPAIR OF EXISTING FACILITIES Applied Notice Work under this permit shall include repair of existing facilities(roads, ditches,etc.)as may be necessary, as determined by the Inspector,to overcome deterioration or damage which occurred in conjunction with the work authorized by the permit. Corrective work shall be done at the applicant's expense. PFI_Utilities 19-PRECONSTRUCTION MEETING Applied Notice Before initiating any construction activity,the applicant shall coordinate with the City's inspector, <Insert Name>at<Insert Phone#>,to establish a preconstruction meeting. PFI_Utilities 20-NOTICE TO COMMENCE WORK Applied Notice The applicant shall notify the City's Inspector twenty-four(24) hours prior to commencing work, prior to any staged inspection, and after completing work covered by the permit. PFI_Utilities 21 -PERMIT/PLAN ON SITE Applied Notice A copy of the permit including a Certificate of Insurance, and all attachments,and a copy of the approved construction plan and all amendments shall be readily available at the work area. All work shall conform to the permit terms, conditions and provisions and to the City approved permit plans, and approved plan amendments and to the City's standards and specifications and to these General Conditions. Changes to any of these must be approved by the City, in advance of work performance. PFI_Utilities 22- DAILY INSPECTION REPORTS Applied Notice Applicant shall submit daily inspection reports, on a weekly basis,to the City's Inspector. PFI_Utilities 23-MONUMENT PROTECTION Applied Notice Existing monuments, property corners, and survey markers shall be protected. Replacement shall be at the permit holder's expense. PFI_Utilities 24-VALIDATION OF MATERIAL/CONSTRUCTION Applied Notice The City's Inspector may,at his discretion, require tests and or reports from the applicant to validate claims of material or construction adequacy/compliance. Such tests/reports shall be provided at the applicant's expense. PFI_Utilities 25-EMERGENCY CONTACTS Applied Notice Provide to the City inspector, in writing,the names and 24 hour emergency telephone number of two(2)persons who have authority to resolve problems,take corrective action and, in general,will be responsible in case of any emergency. The applicant shall notify the City Inspector, in writing,of any/all assignment changes. PFI_Utilities 26-RIGHT OF ENTRY/EASEMENTS Applied Notice Applicant to obtain proper right-of-entry and/or easements prior to starting work. Proof of right-of-entry or properly executed easements, shall be provided to the City. The City shall in no way be construed to be liable for the applicant's failure to obtain or provide for proof of right-of-entry or easements. PFI_Utilities 27-PRIVATE PROPERTY AGREEMENTS Applied Notice Provide the City a copy of an executed agreement[s]from the owner for each private property disturbed by construction activity. PFI_Utilities 28-AS-BUILT DRAWING Applied Notice 1,2,3,4,5 28-AS-BUILT DRAWING One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also,any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance (Certificate of Compliance). 1,2,3,4,5 28-AS-BUILT DRAWING One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also, any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also,any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). PFI_Utilities 31 -OTHER Applied Notice Other RECEIVED MAY 1 9 2020 III City of Tigardi. „PITY OF TIGARD PH #: 2020-00175 ENGINEERING DEPARTIIVETINING/ENGINEERING TIGARD Public Facilities Improvement (PFI) Permit PROJECT INFORMATION TYPE OF WORK Project name: (Frontier) now Ziply Fiber pg TYPE I—Franchise Utility Work Brief description of project: Ziply Fiber to inter set new 35' pole for performed by NWN,PGF, or utility agencY additional clearance over driveway to 12200 SW Bull Mountain Rd ❑ TYPE 2—ROW Sidewalk/Driveway/Sewer Work performed for the purpose of. new Pole to be placed in lead with existing Poles in the field. • Sidewalk installation or repair • Driveway approach installation and repair SITE INFORMATION • Sanitary sewer lateral installation and Location (address if available):_ 12200 SW Bull Mountain Rd main line tap ❑ TYPE 3—Full Scale Development Work SEG 1899 performed with land use approval which includes any of the following • Subdivisions or Partitions APPLICANT INFORMATION • Street widening • Mainline installation for sanitary sewer, Name: Ziply Fiber storm sewer, Tigard water, and Tigard Mailing address:_4155 SW Cedar Hills Blvd water service area zip:p: Beaverton. OR 97005 0 TYPE 4—Small Cell Technology ElTYPE 5—Tigard Triangle Phone: 503-319-778 Email: rosalie.simsaziply.com Phone: 503-319-7787 NOTE: Type I and 2 applications may be Contact name: Rosalie Sims cmailed to rowpermits rrtigard-ongov. Phone: Email: CONTRACTOR INFORMATION ❑ Same as applicant Name: North Sky Communications CCB Number:_208747 Mailing address: 10860 SW Clutter Rd City/State:_Sherwood, OR Zip: 97140 Phone:_office 503-647-9991, Email: tschmidtke@northskycomm.com cell 503-319-8405 ENGINEER INFORMATION Name: Mailing address: City/State: Zip: Phone: Email: ADDITIONAL INFORMATION Estimated value of work is required(if over$5,000):$ (within the public right-of-way) Is work related to a LAND USE DECISION? 0 Yes ®No Case number: City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 1 of 4 APPLICANTS NOTE: Person specified as "Applicant"shall be designated"Permittee"and shall provide financial assurance for work,if required by the city pursuant to TMC 15.04.140. * With the exception of a utility operating pursuant to a valid franchise or license with the City of Tigard,when the owner and the applicant are different people,the applicant must be the purchaser of record or a lessee in possession with written authorization from the owner or an agent of the owner. The owner must sign this application in the space provided or submit a written authorization with this application. Franchised or Incensed Utilities are not required to obtain the owner's signature on the application. I, the applicant,certify that: • To the best of my knowledge,all the information provided within this application package is complete and accurate. • The above request does not violate any recorded deed restrictions that may be attached to or imposed upon the subject property. • If the application is granted,I will exercise the rights granted in accordance with the terms and subject to all the conditions and limitations of the approval. Rosalie Sims 5-19-20 Applicant's or authorized agent's signature Print name Date Property owner's signature (if required) Print name Date STAFF USE ONLY Case No: PFI2020-00175 22 Permit fee: _ Received by: AL Date: 5/19/20 Approved by: lA/ F� Date: S7ly /Z,OZU Notified by: Date: 51WI 7 YZO City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 2 of 4 DEVELOPMENT ENGINEERING FEES Public Facility Improvement(PFI)Permit: INITIAL PFI PERMIT FEE Part 1: Required submittal fee is 10%of the Net PH Permit Fee.See below for calculations.Minimum of$300. NET PFI PERMIT FEE Part 2: All non-water system improvements engineer's estimate X 7%(less the initial PFI Permit Fee). WATER LINE CONSTRUCTION FEE Part 3: All public water system improvements engineer's estimate X 12%. FOR STAFF USE ONLY FOR STAFF USE ONLY TYPE 4: SMALL WIRELESS FACILITY TYPE 1—3:DETAILED SUBMITTAL CHECKLIST REQUIREMENTS Does applicant have a right-of-way license? ❑Yes ❑No TYPE 1 AND TYPE 2-Must include a sketch showing: Under the wireless facilities standards,is the proposal ❑ Dimensions considered?(check all that apply): ❑Small Cell 0 Macro ❑ Street Name How many install sites are proposed as part of this permit ❑ Site Address application? TYPE 3-Must provide 4 sets of plans (sized 24 x 36 or 22 x 34) and an electronic version of all submittal The proposed equipment is located on which of the following items. The plans must that include: 0 Public Right-of-Way 0 Private Property ❑ Cover—Site,Vicinity,Abbreviation,Legend If equipment is to be located on private property,describe the 0 General Notes(City,Water,Sewer,etc.) type&use: ❑ Street(Plan,Profile) O Water,Storm and Sanitary(Plan Profile) O Water Quality Facilities O Grading ❑ Landscaping/Tree Plan ❑ Composite Utility Plan(Electrical,Phone,Gas, Storm, Sanitary,Water,Signage,Street Lights,etc.) O Details O Traffic Sight Distance ❑ Signing and Striping ❑ Street Light Plan and Photometric O Engineers seal/signature ❑ Sheet label(project land use name,revision and plan log block,dates and sheet numbers.) ❑ Engineer's Construction Estimate Additional Submittals (per land use conditions,if applicable) ❑ Traffic Report ❑ Storm water Drainage Calculations ❑ Geotechnical Report ❑ Preliminary Access Report(Sight Distance) ❑ Proposed Plat ❑ Pathway Design ❑ Water Provider Approval City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 3 of 4 \`. .. y. •• I / Edge of Pavement Streetlight / Ditch '-'-'►ii -—• •— JF+a�I3av, ' f J • 1 a ( . o •1 T".ei4oslgrg ewer n'Fie'� I 1 ti 1 Existing House i u, I Existing 1 ,. d >r • Driveway al Op . a I ?'C �1 m� I .¢r 1 r a°O' se. I 1,1 I 1 i r0 1 \ Existing Shop '3 1� Pcwerpote i 1 = I••g' 1 - y o e I' 95' I -r---- p------Proper line'—'—'— ! I F ra Hydrant(TN) i I Scale 1=30' i I i I 1 I i I TYPE 1 AND TYPE 2: MINIUM SKETCH REQUIREMENTS (Put N/A if not applicable) North arrow Property lines&dimensions Existing utilities locations (sewer, storm,water) Street& street names All existing structures Proposed work Existing curb or edge of pavement Utility&street light poles Existing S/W or D/W apron Slope of property Trees City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www:tigard-or.gov • 503-718-2421 • Page 4 of 4 122SSSW Bull Mwnlan Rd 9 s. _ 40� x . * 1 . - I. - - i�'-.. e. ., rr 4 r11; rk • '4h • / II. bvv • * f v4 �'4 r • "� I, r m r . tte 12200 SW BULL r )j -aye+, � 4` ° "� MOUNTAIN on �, ��.ci yt�'Z! , 01� r awlhjJi. ,� ` ' 2. • ,�Al / ‘, i i __. *.4:2' ' ,, 'ill,' ::: '''77 '''.-:',.i• + .: NEW POLE LOCATION FOR CLEARANCE OVER DRIVEWAY BY 51351-5262101 TREES TO RESOLVE NESC VIOLATION I CONSTRUCTION NOTE I ZIPLY TO INTER SET NEW 35C4 POLE o I FOR CLEARANCE OVER DRIVEWAY TO I- HOUSE 12200. CABLE AND FIBER ARE 0 N ATTACHED AT 12'6" AND 13'2". RESAG AERIAL DROP TO HOUSE.w j SEE SHEET 2 FOR POLE DETAIL AND RJW INFO. I in ;l w SEE SHEET 3 FOR VICINITY MAP. PERMIT REQUIRED PER D w FLAGGING REQUIRED. CITY OF TIGARD I Q I 526438 = I 593863 C2110B2212 �" //// C2110B209 SW BULL MOUNTAIN RD PGE I ,� PGE X A Q C QO X - -//� �i 0■- ' SL35' SL204' 0 31074 31077 280482 FRONTIER z �� FRONTIER FRONTIER 3005 RISER-' I RISER 35C3 ® INTER SET W i 480 -FRONTIER ZIPLY o , AE 200 24 BBGTD DBF,1-200 o T'` ''r FIBER O 197 09.2008 35C4 POLE H ® 344' YJD 360 PLACE TAG "' , AE 600 24 TGRDORXA H5014,1-19+ BBGTD DBF,201-425+ XD,20-29+ o (DAT #1514202) 0 -----_- BBGTD DBF,801-875+ TGRDORXA H5014,30-195+ XD,301-350+ XD,196-342+ 03 0 '01 z I (FRONTIER) NOW BBGTDDBF,551-800 TGRDORXAH5014,343-348+ T lJ J ' ZIPLY FIBER TGRDORXA H5014,421-432 CS cc I © 408 09.2008 1 C7 I YJD E f ron-her TGRDORXA FC2042,577-600+ O PE C, z XD,25-48 3500' D_l w*�+nunI xtans 12200 SW BULL MOUNTAIN RD 0 I TGRD NESC INTER SET POLE FOR LEARANCE 12200 SW BULL MNTN RD PORTLAND '^I PROJEOT O AREA TORD I 3RAWTE. ENG 1E%CH.CODE:51351 V/ 5PAWN DATE. ENGR. ROSALIE SIMtNE2 INGTGN 5-1-20 PHONE'. 503-319-7787 FILE:,2020020 RR552521 1-1 CALE:150 TA}DISTRICT DWG A OF 3 WNSFR RAG. SEC. RNV 3'6" E/P � E/P 33' 40' SW BULL MOUNTAIN RD E/P N E/P D4-0 SL35' Q 3,6„ SL204' O r 280482 \ RNV FRONTIER > 31074 INTER SET 35C4 FRONTIER cc PLACE NEW POLE IN LINE WITH EXISTING POLES 3005 RISER NEXT TO EDGE OF PAVEMENT. 12200 PLACE POLE TAG. CONSTRUCTION NOTE INTER SET NEW 35C4 POLE FOR CLEARANCE OVER DRIVEWAY TO 12200 SW BULL MOUNTAIN RD. RE-SAG AERIAL DROP TO HOUSE. NORTH SKY ATTEMPTED TO RESAG COML BUT LINES (FRONTIER) NOW ARE WAY TO HEAVY FOR CLASS 5 POLES. POLES BEGAN ZIPLY FIBER TO SHIFT BEFORE MAKING ANY PROGRESS IN THE MID SPAN. COPPER AND FIBER ARE AT 12'6"AND 13'2"OVER DRIVEWAY. SEE SHEET 1 FOR LOCATION. fjiIer Colon. llot cos SEE SHEET 3 FOR VICINITY MAP. TGRD NESC INTER SET POLE FOR CLEARANCE 12200 SW BULL MNTN RD PERMIT REQUIRED PER PROJECT EXC AREA TORS NL1ABER:5262101 EXCH.CODE:51351 FLAGGING REQUIRED. CITY OF TIGARD DRAWNDATE ENGW. ROSAUE5 E7.: T5Z' 05-01-20 PHONE: S03-31&]]B]FILE:2D20 RH552621(1-2 SCALE:1-100 TAX DISTRICT' DWG 2 OF 3 TWNSHP.25 ARC: 1W SEC:10C VICINITY MAP A n c 9 s I 9 y Tigard First Summd Staffing . 4‘. Church of Christ Solutions di te.w..ny.roae,i WSW U.rw,u sw wmwwi s,. UM St theta O { Lutheran Church Read:lnes Beauty Shan s V St James re s r Episcopal Chinch t Set Wu0woo0 sr + Cheri 9 i 9 S N F. Syy gull Moumein Rd gull Musruam lfelghts C 1� SW But Moumein lid a SW Bull Mountain Rd SW 9ua kihammn 0.a i main Rd gya gWl Mountain Rd 112OOSp/Iraq i + .TN MOaMtalh Road WORK LOCATION 4 © Sw Nntw6•�a F ✓ S RuckfM Systems '* rP w.m„� 4 Q A. Camohdge Real Estate a ■ h # Jet Clean Pressure Go gie washing� SW Wa4 aAA a>aY NiYO Var Twww aMY.Y[t 20Ce _. 51351-5262101 5460-TIGARD 2S1W1BC WP3 OF 3 N Page 84 2011 Edition 2011 Edition Page 85 I Stationary Lane Closure with Flagging Diagram 320 Stationary Lane Closure with Flagging Diagram 320 Diagram 320 covers total closure of one lane of a two-lane, two-way roadway. See the detail inset for the layout if using a single flagger to control ¢ I o both directions of traffic on low volume roads(less than 400 ADT)with good0.4 - sight distance as discussed below. o �� —* 1. Use truck-mounted flashing warning lights on work and protection o O vehicles. See Section 4.3--Lights and Lighted Signs for exceptions. Jt 2. For added visibility, a truck-mounted arrow board or PCMS in caution m I 45 mode may be used. • Wcr0 �' 1 t o ::, 3. Flaggers at each approach are required if any of the following ui / 1 A. T I- conditions exist: 1a a. Night Operations. b. Work space is over 200 feet in length. 401.14. _ c. Sight distance is less than 750 feet from each approachF. • cow through the lane closure. •.• m am d. Traffic volumes are greater than 400 ADT. o o t 4. The length between the Flagger Ahead signs shall not exceed one a m mile. Use Diagram 340-Lane Ciosure with Pilot Car if exceeding one <'� Ea` mile. © - [ 1 : 3 5. Cones should be used to outline the work space when curves or other i c &{ I I •IV roadway alignments prevent clear direction for the motorists to pass o .� $la •. the work space safely. m m it1 /Ii • 6. Cones along the work space are recommended whenposted speeds nE 1 •' P 0=S I .•, • are 45 mph or greater, when working under heavy traffic or when travel 45>v lanes are narrower than 11 feet. - 3cc 0 a I Y'7 I at. 7. Extended queue signing(see Diagram 5-4)should be used when traffic queues extend beyond the initial advance warning sign. �" r 8. When flagging near an intersection, the "Flagger Ahead"(CW23-2) • j t r°1 'r a o sign should be visible to traffic entering from any side road.Additional _ advance warning and Flagger Ahead symbol signs may be placed on 11 'r the side road(s). c o I V 1\ � Sign set-up and flogger placement shown may be used for intermittent Sign spacing and Buffer length,{teat full road closures of 20 minutes or less. Posted Spac.ng Between Signs Buller ' 1 Speed A B C Space ' 10. The"ONE LANE ROAD AHEAD" (W20-4) sign is optional and should 2520 255 100 10.1 130 75 g Y be considered on high volume or high speed roads, or when extended 50 30 1 100 ¢ queues are expected. _g 40 350 350 350 150 45 180 50 500 500 500 210 55 250 . Chapter 5 DerP.mhr ?C1' December 2011 Chapter